单词替换

    1.kmp找到后替换即可 1 #include<iostream> 2 #include<cstring> 3 #include<string> 4 #include<cstdio> 5 using namespace std; 6 7 int nxt[5000005],ans[5000005]; 8 char s[5000005],p[5000005],q[50000

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